Pressure recovery machine



FIG. 1 is a perspective view of a pressure recovery machine;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 2.

The broken lines shown in the figures are included for the purpose of illustrating environment and form no part of the claimed design. The dot-dash lines define the boundaries of the claimed design and form no part thereof. 

CLAIM The ornamental design for a pressure recovery machine, as shown and described. 